EMC TEST- REPORT TEST REPORT NUMBER: EFSH IE-01-E01 EUROFINS PRODUCT TESTING SERVICE (SHANGHAI) CO., LTD.

Transcription

1 EUROFINS PRODUCT TESTING SERVICE (SHANGHAI) CO., LTD. EMC TEST- REPORT TEST REPORT NUMBER: EFSH IE-01-E01 Phone: No.395 West Jiangchang Road, Zhabei District, Shanghai, Fax: , P.R. China Page 1 of 35

2 TABLE OF CONTENTS 1 Contents 1 Contents 2 2 General Information Notes Testing laboratory Details of approval holder Application details EUT information Test standards 5 3 Technical test Summary of test results Test environment Test equipment utilized Test results 8 4 Emission Test Conducted Emission Disturbance power Radiated disturbance Harmonic Current Emissions Voltage Changes, Voltage Fluctuations and Flicker 19 5 Immunity Test Performance Criteria Description in Clause 6 of EN Classification of apparatus ESD Radio frequency electromagnetic fields Electrical Fast Transients Surge Immunity Injected currents(rf continues conducted) Voltage dips and Interruption Frequency magnetic field 27 6 Test setup Photos 28 7 EUT Photos 33 Page 2 of 35

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4 2.2 Testing laboratory No.395 West Jiangchang Road, Shanghai, , P.R. China Telephone : Telefax : CNAS ACCREDITED TESTING LABORATORY CNAS-Registration number: L4679 Test location, where different: Name : Address : No.395 West Jiangchang Road, Shanghai, , P.R. China Telephone : Fax : Subcontractor(Radiated emission and Radiated immunity) Name : Audix Technology(Shanghai) Co., Ltd Address : 680 Gui ping RD #34.3-4F,Caohejing Hi-Tech Park,Shanghai,China Telephone :./. Fax :./. Page 4 of 35

5 2.3 Details of approval holder Name : Inventist Inc. Address : 4901 NW Camas Meadows Dr. Camas, WA 98607, USA Telephone :./. Fax :./. 2.4 Application details Date of receipt of application : Date of receipt of test item : Date of test : to EUT information Description of test item : Electric unicycle Type identification : SW-1 Brand Name : SOLOWHEEL Serial number :./. Power supply : 39V DC, 4.5Ah, 1000W Charger : Input: V AC, 50/60Hz Output: 36V DC, 2A Test voltage : 230V~, 50Hz Additional information : The EUT is an Electric Wheel Barrow powered by Li-ion battery inside. Manufacturer: (if applicable) Name Address : Yuyao City Xinxin shunyi Plastic Mode and Electrical Appliance Factory : Point of Comtactliwang, Lishan Jiufang No.37, Lishan Country, Ditang Town, Yuyao City, China 2.6 Test standards Technical standard : EN : 2006+A1:2009 EN : A1: 2001+A2: 2008 EN : 2006+A1: A2: 2009 EN : 2008 Page 5 of 35

6 3 Technical test 3.1 Summary of test results No deviations from the technical specification(s) were ascertained in the course of the tests performed. or The deviations as specified were ascertained in the course of the tests performed. 3.2 Test environment Temperature : C Relative humidity content : % Air pressure : kPa Page 6 of 35

7 3.3 Test equipment utilized Measurement Equipment List No. Name: Type: Manufacturer: Cal due data: 1 Ultra compact simulator UCS500N7 EMTEST Oscilloscope TDS3012C Tektronix Current transformer MC2630 EMTEST Motorized Variac MV2616 EMTEST Capacitive coupling clamp HFK EMTEST Continuous Wave Simulator CWS500N1 EMTEST CDN L 801 M2/M3 Luethi EM Clamp EM 101 EM ESD NSG 437 TESEQ Triple Loop Antenna HXYZ 9170 Schwarzbeck EMI Test Receiver ESCI R&S Single phase Harmonics & California 5001ix-CTS-400 Flicker analyser Instruments AC Power Source 50001LX California Instruments Absorbing clamp MDS21 Luethi Artificial mains ENV216-DCV R&S Click meter CL55C AFJ LISN LS16C AFJ Magnetic field coil MS100 EMTEST Shielded Room 4*3*3 Zhong-shuo Shielded Room 7*4*3 Zhong-shuo Biconical Antenna CBL6112D Teseq Ω Coaxial Switch MP59B ANRITSU Preamplifier 8447D Agilent Preamplifier 8449B HP Spectrum Analyzer E7405A Agilent Test Receiver ESVS10 R&S Biconical Antenna EMCO High Gain Horn Antenna AT4002A AR Log-Periodic Antenna AT1080 AR Dual Direction Coupler DC6180 AR Dual Directional Coupler DC7144A AR Isotropic Field Monitor FM2000 AR NCR 33 Isotropic Field Probe FP2036 AR Power Meter 438A HP Power Amplifier KAW2180 AR State Solid Amplifier AS MILMEGA Signal Generator E4421B Agilent Power Sensor 8481D HP Page 7 of 35

8 3.4 Test results 1st test test after modification production test Test case Subclause Required Test passed Test failed Conducted Emission Disturbance power Radiated disturbance Discontinuous disturbance Clause of EN Clause of EN Clause of EN Clause 4.2 of EN Harmonic Current Emissions EN Voltage Changes, Voltage Fluctuations and Flicker Electrostatic Discharge Electrical Fast Transients Injected currents (RF continues conducted) EN Clause 5.1 of EN Clause 5.2 of EN Clause 5.3 &5.4 of EN Radio frequency electromagnetic fields Surge immunity Voltage dips and Interruption Clause 5.5 of EN Clause 5.6 of EN Clause 5.7 of EN Note 1: The Radio frequency electromagnetic fields test was not required as the appliance did not contain any clock or oscillator frequency higher than 15MHz. Note 2: The click was less than 5, and the click duration was less than 10ms. So it is deemed to comply with Discontinuous disturbance test. Page 8 of 35

9 4 Emission Test 4.1 Conducted Emission This clause lays down the general requirements for the measurement of disturbance voltage produced at the terminals of apparatus Limits Frequency range MHz Quasi-peak Limit At mains terminals db (µv) Average Limit 0.15 to to to to to Note1: The limit decreases linearly with the logarithm of the frequency in the range 0.15 MHz to 30 MHz. Note2: The lower limit is applicable at the transition frequency Measurement procedure 1. The mains terminal disturbance voltage was measured with the EUT in a shielded room. 2. The EUT was connected to AC power source through a LISN (Line Impedance Stabilization Network) which provides a (50 μh + 5 Ω) 50 Ω linear impedance. The power cables of all other units of the EUT were connected to a second LISN, which was bonded to the ground reference plane in the same way as the LISN for the unit being measured. 3. The tabletop EUT was placed upon a non-metallic table 0.8m above the ground reference plane. And for floor-standing arrangement, the EUT was placed on the horizontal ground reference plane, but separated from metallic contact with the ground reference plane by 0.1m of insulation. Page 9 of 35

10 4. According to a pre-test at 160kHz, the voltage 230V/50Hz was selected for final test. Before get the final emission results with quasi-peak(qp) detector and average(av) detector, a pre-scan was performed with the peak(pk) detector to find out the maximum emission data plots of the EUT Measurement uncertainty Ulab(cond) = 1.8dB at 95% level of confidence, k= Results -Measurement Data Live Line: Level Page 10 of 35

11 Neutral Line: Level Page 11 of 35

12 4.2 Disturbance power This clause lays down the general requirements for the measurement of disturbance power produced at the terminals of apparatus limits Table 2a-Disturbance power limits for the frequency range 30 MHz to 300 MHz Frequency range MHz Quasi-peak Limit db (pw) Average 30 to to to 45 Note: Increasing linearly with the frequency from. If the limit for the measurement with the average detector is met when using a receiver with a quasi-peak detector, the equipment under test shall be deemed to meet both limits and the measurement using the receiver with an average detector need not be carried out. Table 2b-Margin when performing disturbance power measurement in the frequency range 30 MHz to 300 MHz Measurement procedure Page 12 of 35

13 The test configuration corresponds to the standard EN The equipment under test is placed on a non metallic table with 0,8 m high. The lead to be measured is stretched horizontally in a straight line, to permit variation in position of the absorbing clamp along the lead to find the maximum indication. The lead shall be at least length of 6 meter. According to a pre-test at 50MHz, the voltage 230V/50Hz was selected for final test. Before get the final emission results with quasi-peak(qp) detector and average(av) detector, a pre-scan was performed with the peak(pk) detector to find out the maximum emission data plots of the EUT. The absorbing clamp is placed around the lead Measurement uncertainty Ulab(cond) = 3.35 db at confidence of 95%,k= Results Level Page 13 of 35

14 4.3 Radiated disturbance This clause lays down the general requirements for the measurement of Radiated disturbance produced at the space of apparatus Limits Frequency range Quasi-peak limits at 10m Quasi-peak limits at 3m MHz db (µv/m) db (µv/m) 30 to to At transitional frequencies the lower limit applies Measurement procedure 1. The radiated emissions test was conducted in a semi-anechoic chamber. The EUT was placed upon a non-metallic table 0.8m above the ground reference plane. And for floor-standing arrangement, the EUT was placed on the horizontal ground reference plane, but separated from metallic contact with the ground reference plane by 0.1m of insulation. 2. Before get the final emission results with quasi-peak(qp) detector, a pre-scan was performed with the peak(pk) detector to find out the maximum emission data plots of the EUT. 3. The frequencies of maximum emission were determined in the final radiated emissions measurement, the physical arrangement of the test system and associated cabling was varied in order to determine the effect on the EUT's emissions in amplitude, direction and frequency. At each frequency, the EUT was rotated 360, and the antenna was raised and lowered from 1 to 4 meters in order to determine the maximum disturbance. Measurements were performed for both horizontal and vertical antenna polarization. Test was performed on subcontractor. Page 14 of 35

15 4.3.3 Measurement uncertainty Ulab(cond) = 3.9dB at 95% level of confidence,k= Results Horizontal: Level No Frequency Measure Level Over Limit Limit Probe Cable Amp Ant Pos Table Pos Type (MHz) (dbuv/m) (db) (dbuv/m) (db/m) (db) (db) (cm) (deg) QP QP Vertical: Level No Frequency Measure Level Over Limit Limit Probe Cable Amp Ant Pos Table Pos Type (MHz) (dbuv/m) (db) (dbuv/m) (db/m) (db) (db) (cm) (deg) QP QP QP Page 15 of 35

16 4.4 Harmonic Current Emissions This part deals with the limitation of harmonic currents injected into the public supply system Limits Limit for Class A equipment Measurement procedure The equipment under test is placed on a wooden table with a height of 0,8 m in the EMC lab. For each harmonic order, measure the 1,5 s smoothed r.m.s. harmonic current in each DFT time window and calculate the arithmetic average of the measured values from the DFT time windows, over the entire observation period. Each harmonic order, all 1.5 s smoothed r.m.s. harmonic current values and the average values for the individual harmonic currents, taken over the entire test observation period shall be less than or equal to the applicable limits. Page 16 of 35

17 4.4.3 Results Test Result: Pass Harmonics Source qualification: Normal Current & voltage waveforms Current (Amps) Voltage (Volts) Harmonics and Class A limit line European Limits Current RMS(Amps) Harmonic # Test result: Pass Worst harmonic was #15 with 93.97% of the limit. Page 17 of 35

18 Current Test Result Summary Test Result: Pass Source qualification: Normal THC(A): 0.83 I-THD(%): POHC(A): POHC Limit(A): Highest parameter values during test: V_RMS (Volts): Frequency(Hz): I_Peak (Amps): I_RMS (Amps): I_Fund (Amps): Crest Factor: Power (Watts): Power Factor: Harm# Harms(avg) 100%Limit %of Limit Harms(max) 150%Limit %of Limit Status Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Page 18 of 35

19 4.5 Voltage Changes, Voltage Fluctuations and Flicker This part is concerned with the limitation of voltage fluctuations and flicker impressed on the public lowvoltage system Limits Value Limit Pst 1,0 Plt 0,65 dt 3,3% dc 3,3% dmax 4,0% Measurementest procedure The equipment under test is placed on a wooden table with a height of 0,8 m in the EMC lab. The voltage fluctuations and flicker were measured at the supply terminals of the EUT Results Parameter values recorded during the test: Vrms at the end of test (Volt): Highest dt (%): 0.00 Test limit (%): 3.30 Pass Time(mS) > dt: 0.0 Test limit (ms): Pass Highest dc (%): 0.00 Test limit (%): 3.30 Pass Highest dmax (%): 0.00 Test limit (%): 4.00 Pass Highest Pst (10 min. period): Test limit: Pass Highest Plt (2 hr. period): Test limit: Pass Page 19 of 35

20 5 Immunity Test 5.1 Performance Criteria Description in Clause 6 of EN Criterion A: Criterion B: Criterion C: The apparatus shall continue to operate as intended during the test. No degradation of performance or loss of function is allowed below a performance level (or permissible loss of performance) specified by the manufacturer, when the apparatus is used as intended. If the minimum performance level or the permissible performance loss is not specified by the manufacturer, then either of these may be derived from the product description and documentation, and from what the user may reasonably expect from the apparatus if used as intended. The apparatus shall continue to operate as intended after the test. No degradation of performance or loss of function is allowed below a performance level (or permissible loss of performance) specified by the manufacturer, when the apparatus is used as intended. During the test, degradation of performance is allowed, however. No change of actual operating state or stored data is allowed. If the minimum performance level or the permissible performance loss is not specified by the manufacturer, then either of these may be derived from the product description and documentation and from what the user may reasonably expect from the apparatus if used as intended. Temporary loss of function is allowed, provided the function is self recoverable or can be restored by the operation of the controls, or by any operation specified in the instructions for use. 5.2 Classification of apparatus Category I: Apparatus containing no electronic control circuitry. Category II: Transformer toys, dual supply toys, mains powered motor operated appliances, tools, heating appliances and similar electric apparatus (for example. UV radiators, IR radiators and microwave ovens) containing electronic control circuitry with no internal clock frequency or oscillator frequency higher than 15 MHz. Category III: Category IV: Battery powered apparatus (with built-in batteries or external batteries), which in normal use is not connected to the mains, containing an electronic control circuitry with no internal clock frequency or oscillator frequency higher than 15 MHz. All other apparatus covered by the scope of this standard. The EUT belongs to Category II. Page 20 of 35

21 5.3 ESD Test Procedures 1. Contact discharge was applied only to conductive surfaces of the EUT. Air discharge was applied only to non-conducted surfaces of the EUT. 2. The EUT was put on a 0.8m high wooden table for table-top equipment or 0.1m high for floor standing equipment standing on the ground reference plane (GRP). 3. A horizontal coupling plane(hcp) 1.6m by 0.8m in size was placed on the table, and the EUT with its cables were isolated from the HCP by an insulating support thick than 0.5mm. The VCP 0.5m by 0.5m in size while HCP were constructed from the same material type and thickness as that of the GRP, and connected to the GRP via a 470kΩ resistor at each end. The distance between EUT and any of the other metallic surfaces excepted the GRP, HCP and VCP was greater than 1m. 4. During the contact discharges, the tip of the discharge electrode was touching the EUT before the discharge switch is operated. During the air discharges, the round discharge tip of the discharge electrode was approached as fast as possible to touch the EUT. After each discharge, the ESD generator was removed from the EUT, the generator is then retriggered for a new single discharge. For ungrounded product, a discharge cable with two resistances was used after each discharge to remove remnant electrostatic voltage. 10 times of each polarity single discharge were applied to HCP and VCP Results Table (T) Contact (C) Voltage Number of Polarity Test point Opinion Floor (F) Air (A) (kv) discharge (+ / -) Air contact T A / - A Direct contact T C / - A HCP T C / - A VCP T C / - A A: no loss of function. Page 21 of 35

22 5.4 Radio frequency electromagnetic fields Measurement procedure 1. The EUT was placed on 0.8m high wooden table for table-top equipment. For floor standing equipment, the EUT was placed on a 0.1m high wooden support above the GRP.The tests normally shall be performed with the generating antenna facing each of four sides of the EUT. When equipment can be used in different orientations (e.g. vertical or horizontal) the test shall be performed on all possible sides of the EUT. 2. The tests are carried out with a field strength by 3 V/m (measured in the unmodulated field) with amplitude modulated signal by a depth of 80 % by a sinusoidal audio signal of 1 khz. The logarithmic step was 1% and the dwell time was 3s dependent of the EUT cycle time. Test was performed on subcontractor Results Frequency Range Voltage(RMS) Modulation Frequency Opinion 80M-1GHz 3V/m 1kHz,80%,AM A A: no loss of function. Page 22 of 35

23 5.5 Electrical Fast Transients Measurement procedure 1. The EUT was placed on a ground reference plane(grp) insulated by an insulating support 0,1 m thick and the GRP was placed on a 0.8m high wooden table for table-top equipment. For floor standing equipment, the EUT was placed on a 0.1m high wooden support above the GRP. 2. The GRP shall project beyond the EUT and the clamp by at least 0.1m on all sides. The distance between the EUT and any other of the metallic surface except the GRP was greater than 0.5m. All cables to the EUT was placed on the insulation support 0.1m above GRP. Cables not subject to EFT was routed as far as possible from cable under test to minimize the coupling between the cables. 3. The length of signal and power cable between the EUT and EFT generator was 0.5m. If the cable is a non-detachable supply cable more than 0.5m, the excess length of this cable shall be folded to avoid a flat coil and situated at a distance of 0.1m above the GRP Results Test port Voltage (kv) Polarity (+ / -) Duration (s or min) Waveform Tr / Th Repetition Frequency (khz) Opinion AC power line min 5/50 ns 5 A AC power line 1-2 min 5/50 ns 5 A A: no loss of function. Page 23 of 35

24 5.6 Surge Immunity Measurement procedure 1. The EUT was placed on a ground reference plane(grp) insulated by an insulating support 0,1 m thick and the GRP was placed on a 0.8m high wooden table for table-top equipment. For floor standing equipment, the EUT was placed on a 0.1m high wooden support above the GRP. 2. The 1,2/50 µs surge was to be applied to the EUT power supply terminals via the capacitive coupling network.decoupling networks were required in order to avoid possible adverse effects on equipment not under test that may be powered by the same lines and to provide sufficient decoupling impedance to the surge wave so that the specified wave may be applied on the lines under test. 3. The positive pulses are applied 90 relative to the phase angle of the a.c. line voltage to the equipment under test, and the negative pulses are applied 270 relative to the phase angle of the a.c. line voltage to the equipment under test Results Test mode Polarity (+ / -) Voltage ( kv ) Waveform Tr / Th Number of pulses Opinion Live-Neutral + 0.5/ /50 µs 5 A Live-Neutral - 0.5/ /50 µs 5 A A: no loss of function. Page 24 of 35

25 5.7 Injected currents(rf continues conducted) Measurement procedure 1. The EUT was placed on an insulating support of 0.1m height above a ground reference Plane, arranged and connected to satisfy its functional requirement. All cables exiting the EUT was supported at a height of at least 30 mm above the ground reference plane. 2. The coupling and decoupling devices were required, they were located between 0,1 m and 0,3 m from the EUT. This distance was to be measured horizontally from the projection of the EUT on to the ground reference plane to the coupling and decoupling device. 3. The frequency range was swept from 150 khz to 230 MHz, using the signal levels established during the setting process, and with the disturbance signal 80 % amplitude modulated with a 1 khz sine wave, pausing to adjust the RF signal level or to change coupling devices as necessary. Where the frequency was swept incrementally, the step size do not exceed 1 % of the preceding frequency value. The dwell time of the amplitude modulated carrier at each frequency was not less than the time necessary for the EUT to be exercised and to respond, and was not less than 3s Results Test port Voltage (rms) Modulation Frequency Frequency Range Opinion AC power line 3 1 khz, 80%,AM 150 khz MHz A A: no loss of function. Page 25 of 35

26 5.8 Voltage dips and Interruption Measurement procedure Phase switch 1 Power supply switch 2 EUT Voltage meter Oscilloscope Neutral 1. The EUT was placed on a ground reference plane(grp) insulated by an insulating support 0,1 m thick and the GRP was placed on a 0.8m high wooden table for table-top equipment. For floor standing equipment, the EUT was placed on a 0.1m high wooden support above the GRP. 2. The test was performed with the EUT connected to the test generator with the shortest power supply cable as specified by the EUT manufacturer. Voltage change shall occur at zero crossing. 3. The EUT was tested for each selected combination of test level and duration with a sequence of three dips /interruptions with intervals of 10 s minimum. Each representative mode of operation was tested Results Reduction of supply voltage of Voltage in % (in V) Duration in parts of period (in ms) Opinion interruption 0 % (0V) 0,5 (10 ms) A 60 % 40 % (92 V) 10 (200 ms) B 30 % 70 % (161 V) 25 (500 ms) B A: no loss of function. B: the appliance could not work normal during voltage dips, but after test it would recover. Page 26 of 35

27 5.9 Frequency magnetic field The magnetic fields to which equipment is subjected may influence the reliable operation of equipment and systems Measurement procedure The electromagnetic conditions of the laboratory shall be such as to guarantee the correct operation of the EUT in order not to influence the test results; otherwise, the tests shall be carried out in a Faraday cage. The plane of the inductive coil shall then be rotated by 90 in order to expose the EUT to the test field with different orientations Results Test Frequency Field Level (A/m) Duration (Second) Axis of Orientation Opinion 50/60Hz X A 50/60Hz Y A 50/60Hz Z A A: No degradation of function. Page 27 of 35

28 6 Test setup Photos Conducted Emission test setup Disturbance power test setup Page 28 of 35

29 Radiated disturbance test setup Harmonic Current Emissions/ Voltage Changes, Voltage Fluctuations and Flicker test setup Page 29 of 35

30 Electrostatic Discharge test setup Electrical Fast Transients/ Surge immunity/ Voltage dips and Interruption test setup Page 30 of 35

31 Injected currents (RF continues conducted) test setup Radio frequency electromagnetic fields test setup Page 31 of 35

32 Frequency magnetic field test setup Page 32 of 35

33 7 EUT Photos Overall view Side view Page 33 of 35

34 Internal view PCB view Page 34 of 35

35 Charger Page 35 of 35